Yu C
Municipal Sanitary and Disease Prevention Centre, Tianjin.
Zhonghua Liu Xing Bing Xue Za Zhi. 1992 Aug;13(4):212-5.
In the autumn of 1989 and 1990, an epidemic of Scrub typhus occurred in north rural areas in Tianjin. The authors investigated the epidemic on clinical, epidemiological, serological and etiological features, 44 patients were diagnosed serologically or clinically as Scrub typhus and 42 of them (95.5%) were diagnosed serologically by IFA method. 10 sera specimens collected from the patients were determined distinctively by CF method, 8 of them were > or = 1:20 titre to Gilliam type antigen of tsutsugamushi. The try for isolating pathogens failed of success. The epidemic areas is situated in 39.45'-40.05' north latitudes and showed it was the new epidemic area in the north of China.
1989年秋和1990年秋，天津北部农村地区发生恙虫病流行。作者对此次流行的临床、流行病学、血清学及病原学特征进行了调查，44例患者经血清学或临床诊断为恙虫病，其中42例（95.5%）经间接免疫荧光法血清学确诊。用补体结合试验对10份患者血清标本进行特异性检测，其中8份对恙虫病立克次体Gilliam型抗原滴度≥1:20。病原体分离尝试未成功。疫区位于北纬39.45′-40.05′，表明为我国北方新的疫区。
